tmclem

From what I've read, the new one is a dealer specific item. So the only type of shops that would carry it around here or the dealers parts store are closed on Saturdays and Sundays. I taped this one up with electrical tape, cleaned the throttle body, and put it all back together. Now that I can specifically see where it is, it should be a 2 second changeout when I get the new one tomorrow.

tmclem

One last question - if anyone knows...

Is there a difference in size between the 4.6L and 5.4L elbow? I've been unable to find one for my 5.4L. They all say that they only fit the 4.6L, but they look like they would fit mine.

Anyone have a part number for the 5.4 or know whether the will 4.6 elbow will fit?

Thanks again.

MTB Sedona

I have a 1997 F250 4x4 with a 5.4L. It started to give me a 171 code on occasions. Then on hot days (above 85) it started giving me 171 & 174 codes. After checking some forums, I discovered that it was probably a vacuum leak. Just to specify, this elbow is for the right engine bank and is not located on the PCV valve at the valve cover. Use your finger and follow the hose up to the back of the intake manifold. This elbow connects the plastic tube to the intake manifold. If you have the engine running (do this on a cold start), use your fingers and feel around the elbow. You will feel it drawing air in if it is leaking. I tried using starter fluid spray to find the leak but feeling for it was much more effective. Normally you would expect to hear a vacuum leak but I couldn’t hear this one. It took me a while and a few weeks to find this leak but I knew it had to be a vacuum leak. If you are looking at this part, you are probably already on the right track. I bought mine at O’Reilly for only $6.99. Make sure that you have the new elbow before you try to remove the old one because it will surely disintegrate if you try to pull it off. If this elbow is leaking, replacing it will, most likely, clear up a 171 & 174 code and definitely clear up a 171 code.